Today, executives from the nation's six largest oil companies go before a Senate committee. They'll be asked to explain whether mergers have anything to do with their gushing profits. Sam Eaton reports.

The federal budget deficit hit a new high in February -- almost $120 billion. That means the government's going to have to lift the ceiling on how much it can borrow soon. Commentator and humorist Tim Bedore has some ideas of his own about the debt ceiling.

In the wake of Dubai Ports World's announcement to transfer operations of US ports to a US entity, Sam Eaton looks at whether the arrangement could be a template for future deals involving foreign control of US assets.